<!DOCTYPE　html>
<html lang="en">
    <head charset="UTF-8">
        <title>Document</title>
    </head>
    <body>
      <?php
$zhou = array ("1","2","3","4","5","6","7","8","9","10","11","12");
?>
        <form>
            <select name="zhou">
                <?php foreach ($zhou as $value) :?>
                <option value="<?php echo $value;?>">
                第<?php echo $value;?>
                周
                </option>
                <?php                endforeach;?>
            </select>
        </form>
    </body>
